The 47 - 110 metre wide asteroid 1996 BG1 made a close pass (64.0 lunar distances, 0.1645 AU), travelling at 6.84 km/second, to the Earth-Moon system on the 18th January, 2013 @ 23:22 UT ±00:09.
Orbital elements:
1996 BG1 Earth MOID = 0.0270 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 63.86119 (2000.0) P Q
n 1.15964956 Peri. 150.67991 +0.34620184 +0.93715841
a 0.8972598 Node 139.53195 -0.87322949 +0.33878473
e 0.2798661 Incl. 3.82896 -0.34294976 +0.08342079
P 0.85 H 23.8 G 0.15 U 6